/Engine/Plugins/Developer/Concert/ConcertSync/ConcertSyncCore/Source/ConcertSyncCore/Public/HistoryEdition/ActivityDependencyGraph.h
Adds a node. Invalidates the results of GetNodeById.
[FActivityNodeID](API\Plugins\ConcertSyncCore\HistoryEdition\FActivityNodeID) AddActivity ( int64 ActivityIndex, [EActivityNodeFlags](API\Plugins\ConcertSyncCore\HistoryEdition\UE__ConcertSyncC-_2) NodeFlags )